<template>
  <div class="app-container">
    <el-form
      :model="queryParams"
      ref="queryForm"
      :inline="true"
      v-show="showSearch"
    >
      <!-- 菜单名称 -->
      <el-form-item :label="$t('menu.label.name')" prop="menuName">
        <el-input
          v-model="queryParams.menuName"
          :placeholder="$t('menu.input.name')"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <!-- 状态 -->
      <el-form-item :label="$t('menu.label.status')" prop="status">
        <el-select
          v-model="queryParams.status"
          :placeholder="$t('menu.input.status')"
          clearable
          size="small"
        >
          <el-option
            v-for="dict in statusOptions"
            :key="dict.dictValue"
            :label="dict.dictLabel"
            :value="dict.dictValue"
            style="text-indent:1em"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <!-- 搜索 -->
        <el-button
          type="primary"
          icon="el-icon-search"
          size="mini"
          @click="handleQuery"
        >
          {{ $t('menu.button.search') }}
        </el-button>
        <!-- 重置 -->
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">
          {{ $t('menu.button.reset') }}
        </el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <!-- 新增 -->
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:menu:add']"
        >
          {{ $t('menu.button.add') }}
        </el-button>
      </el-col>
      <right-toolbar
        :showSearch.sync="showSearch"
        @queryTable="getList"
      ></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="menuList"
      row-key="menuId"
	  max-height="550px"
      :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
    >
      <!-- 菜单名称 -->
      <el-table-column
        prop="menuName"
        :label="$t('menu.table.name')"
        :show-overflow-tooltip="true"
        width="160"
      ></el-table-column>
      <!-- 图标 -->
      <el-table-column
        prop="icon"
        :label="$t('menu.table.icon')"
        align="center"
        width="100"
      >
        <template slot-scope="scope">
          <svg-icon :icon-class="scope.row.icon" />
        </template>
      </el-table-column>
      <!-- 排序 -->
      <el-table-column
        prop="orderNum"
        :label="$t('menu.table.order')"
        width="70"
      ></el-table-column>
      <!-- 权限标识 -->
      <el-table-column
        prop="perms"
        :label="$t('menu.table.mark')"
        :show-overflow-tooltip="true"
      ></el-table-column>
      <!-- 组件路径 -->
      <el-table-column
        prop="component"
        :label="$t('menu.table.path')"
        :show-overflow-tooltip="true"
      ></el-table-column>
      <!-- 状态 -->
      <el-table-column
        prop="status"
        :label="$t('menu.table.status')"
        :formatter="statusFormat"
        width="80"
      ></el-table-column>
      <!-- 创建时间 -->
      <el-table-column
        :label="$t('menu.table.createdTime')"
        align="center"
        prop="createTime"
      >
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime) }}</span>
        </template>
      </el-table-column>
      <!-- 操作 -->
      <el-table-column
        :label="$t('menu.table.handle')"
        align="center"
        class-name="small-padding fixed-width"
      >
        <template slot-scope="scope">
          <!-- 修改 -->
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:menu:edit']"
          >
            {{ $t('menu.table.button.edit') }}
          </el-button>
          <!-- 新增 -->
          <el-button
            size="mini"
            type="text"
            icon="el-icon-plus"
            @click="handleAdd(scope.row)"
            v-hasPermi="['system:menu:add']"
          >
            {{ $t('menu.table.button.add') }}
          </el-button>
          <!-- 删除 -->
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:menu:remove']"
          >
            {{ $t('menu.table.button.delete') }}
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改菜单对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="600px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-row>
          <el-col :span="24">
            <!-- 上级菜单 -->
            <el-form-item :label="$t('menu.dialog.up')">
              <treeselect
                v-model="form.parentId"
                :options="menuOptions"
                :normalizer="normalizer"
                :show-count="true"
                :placeholder="$t('menu.dialog.input.up')"
              />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <!-- 菜单类型 -->
            <el-form-item :label="$t('menu.dialog.type')" prop="menuType">
              <el-radio-group v-model="form.menuType">
                <!-- 目录 -->
                <el-radio label="M">
                  {{ $t('menu.dialog.radio.directory') }}
                </el-radio>
                <!-- 菜单 -->
                <el-radio label="C">
                  {{ $t('menu.dialog.radio.menu') }}
                </el-radio>
                <!-- 按钮 -->
                <el-radio label="F">
                  {{ $t('menu.dialog.radio.button') }}
                </el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <!-- 菜单图标 -->
            <el-form-item
              v-if="form.menuType != 'F'"
              :label="$t('menu.dialog.icon')"
            >
              <el-popover
                placement="bottom-start"
                width="460"
                trigger="click"
                @show="$refs['iconSelect'].reset()"
              >
                <IconSelect ref="iconSelect" @selected="selected" />
                <el-input
                  slot="reference"
                  v-model="form.icon"
                  :placeholder="$t('menu.dialog.input.click')"
                  readonly
                >
                  <svg-icon
                    v-if="form.icon"
                    slot="prefix"
                    :icon-class="form.icon"
                    class="el-input__icon"
                    style="height: 32px;width: 16px;"
                  />
                  <i
                    v-else
                    slot="prefix"
                    class="el-icon-search el-input__icon"
                  />
                </el-input>
              </el-popover>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <!-- 菜单名称 -->
            <el-form-item :label="$t('menu.dialog.name')" prop="menuName">
              <el-input
                v-model="form.menuName"
                :placeholder="$t('menu.dialog.input.name')"
              />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <!-- 显示排序 -->
            <el-form-item :label="$t('menu.dialog.order')" prop="orderNum">
              <el-input-number
                v-model="form.orderNum"
                controls-position="right"
                :min="0"
              />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <!-- 是否外链 -->
            <el-form-item
              v-if="form.menuType != 'F'"
              :label="$t('menu.dialog.outside')"
            >
              <el-radio-group v-model="form.isFrame">
                <!-- 是 -->
                <el-radio label="0">
                  {{ $t('menu.dialog.radio.yes') }}
                </el-radio>
                <!-- 否 -->
                <el-radio label="1">
                  {{ $t('menu.dialog.radio.no') }}
                </el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <!-- 路由地址 -->
            <el-form-item
              v-if="form.menuType != 'F'"
              prop="path"
              :label="$t('menu.dialog.router')"
            >
              <el-input
                v-model="form.path"
                :placeholder="$t('menu.dialog.input.path')"
              />
            </el-form-item>
          </el-col>
          <el-col :span="12" v-if="form.menuType == 'C'">
            <!-- 组件路径 -->
            <el-form-item :label="$t('menu.dialog.path')" prop="component">
              <el-input
                v-model="form.component"
                :placeholder="$t('menu.dialog.input.component')"
              />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <!-- 权限标识 -->
            <el-form-item
              v-if="form.menuType != 'M'"
              :label="$t('menu.dialog.mark')"
            >
              <el-input
                v-model="form.perms"
                :placeholder="$t('menu.dialog.input.mark')"
                maxlength="50"
              />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <!-- 显示状态 -->
            <el-form-item
              v-if="form.menuType != 'F'"
              :label="$t('menu.dialog.show')"
            >
              <el-radio-group v-model="form.visible">
                <el-radio
                  v-for="dict in visibleOptions"
                  :key="dict.dictValue"
                  :label="dict.dictValue"
                  >{{ dict.dictLabel }}</el-radio
                >
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <!-- 菜单状态 -->
            <el-form-item
              v-if="form.menuType != 'F'"
              :label="$t('menu.dialog.menu')"
            >
              <el-radio-group v-model="form.status">
                <el-radio
                  v-for="dict in statusOptions"
                  :key="dict.dictValue"
                  :label="dict.dictValue"
                  >{{ dict.dictLabel }}</el-radio
                >
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <!-- 是否缓存 -->
            <el-form-item
              v-if="form.menuType == 'C'"
              :label="$t('menu.dialog.cache')"
            >
              <el-radio-group v-model="form.isCache">
                <!-- 缓存 -->
                <el-radio label="0">
                  {{ $t('menu.dialog.radio.cache') }}
                </el-radio>
                <!-- 不缓存 -->
                <el-radio label="1">
                  {{ $t('menu.dialog.radio.notCache') }}
                </el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <!-- 确 定 -->
        <el-button type="primary" @click="submitForm">
          {{ $t('menu.dialog.button.confirm') }}
        </el-button>
        <!-- 取 消 -->
        <el-button @click="cancel">
          {{ $t('menu.dialog.button.cancel') }}
        </el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listMenu,
  getMenu,
  delMenu,
  addMenu,
  updateMenu
} from '@/api/system/menu'
import Treeselect from '@riophae/vue-treeselect'
import '@riophae/vue-treeselect/dist/vue-treeselect.css'
import IconSelect from '@/components/IconSelect'

export default {
  name: 'Menu',
  components: { Treeselect, IconSelect },
  data () {
    return {
      // 遮罩层
      loading: true,
      // 显示搜索条件
      showSearch: true,
      // 菜单表格树数据
      menuList: [],
      // 菜单树选项
      menuOptions: [],
      // 弹出层标题
      title: '',
      // 是否显示弹出层
      open: false,
      // 显示状态数据字典
      visibleOptions: [],
      // 菜单状态数据字典
      statusOptions: [],
      // 查询参数
      queryParams: {
        menuName: undefined,
        visible: undefined
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        menuName: [
          { required: true, message: '菜单名称不能为空', trigger: 'blur' }
        ],
        orderNum: [
          { required: true, message: '菜单顺序不能为空', trigger: 'blur' }
        ],
        path: [{ required: true, message: '路由地址不能为空', trigger: 'blur' }]
      }
    }
  },
  created () {
    this.getList()
    this.getDicts('sys_show_hide').then(response => {
      this.visibleOptions = response.data
    })
    this.getDicts('sys_normal_disable').then(response => {
      this.statusOptions = response.data
    })
  },
  methods: {
    // 选择图标
    selected (name) {
      this.form.icon = name
    },
    /** 查询菜单列表 */
    getList () {
      this.loading = true
      listMenu(this.queryParams).then(response => {
        this.menuList = this.handleTree(response.data, 'menuId')
        this.loading = false
      })
    },
    /** 转换菜单数据结构 */
    normalizer (node) {
      if (node.children && !node.children.length) {
        delete node.children
      }
      return {
        id: node.menuId,
        label: node.menuName,
        children: node.children
      }
    },
    /** 查询菜单下拉树结构 */
    getTreeselect () {
      listMenu().then(response => {
        this.menuOptions = []
        // this.$t('menu.class') 主类目
        // 
        const menu = {
          menuId: 0,
          menuName: this.$t('menu.dialog.class'),
          children: []
        }
        menu.children = this.handleTree(response.data, 'menuId')
        this.menuOptions.push(menu)
      })
    },
    // 显示状态字典翻译
    visibleFormat (row, column) {
      if (row.menuType == 'F') {
        return ''
      }
      return this.selectDictLabel(this.visibleOptions, row.visible)
    },
    // 菜单状态字典翻译
    statusFormat (row, column) {
      if (row.menuType == 'F') {
        return ''
      }
      return this.selectDictLabel(this.statusOptions, row.status)
    },
    // 取消按钮
    cancel () {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset () {
      this.form = {
        menuId: undefined,
        parentId: 0,
        menuName: undefined,
        icon: undefined,
        menuType: 'M',
        orderNum: undefined,
        isFrame: '1',
        isCache: '0',
        visible: '0',
        status: '0'
      }
      this.resetForm('form')
    },
    /** 搜索按钮操作 */
    handleQuery () {
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery () {
      this.resetForm('queryForm')
      this.handleQuery()
    },
    /** 新增按钮操作 */
    handleAdd (row) {
      this.reset()
      this.getTreeselect()
      if (row != null && row.menuId) {
        this.form.parentId = row.menuId
      } else {
        this.form.parentId = 0
      }
      this.open = true
      this.title = this.$t('menu.dialog.title.add') // 添加菜单
    },
    /** 修改按钮操作 */
    handleUpdate (row) {
      this.reset()
      this.getTreeselect()
      getMenu(row.menuId).then(response => {
        this.form = response.data
        this.open = true
        this.title = this.$t('menu.dialog.title.modify') // 修改菜单
      })
    },
    /** 提交按钮 */
    submitForm: function () {
      this.$refs['form'].validate(valid => {
        if (valid) {
          if (this.form.menuId != undefined) {
            updateMenu(this.form).then(response => {
              this.msgSuccess('修改成功')
              this.open = false
              this.getList()
            })
          } else {
            addMenu(this.form).then(response => {
              this.msgSuccess('新增成功')
              this.open = false
              this.getList()
            })
          }
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete (row) {
      this.$confirm(
        '是否确认删除名称为"' + row.menuName + '"的数据项?',
        this.$t('menu.dialog.warning'), // 警告
        {
          confirmButtonText: this.$t('menu.dialog.button.confirm'), // 确定
          cancelButtonText: this.$t('menu.dialog.button.cancel'), // 取消
          type: 'warning'
        }
      )
        .then(function () {
          return delMenu(row.menuId)
        })
        .then(() => {
          this.getList()
          this.msgSuccess('删除成功')
        })
        .catch(err => {
          return err
        })
    }
  }
}
</script>
